* {
  margin: 0;
  padding: 0;
}
body {
  width: 100%;
  height: 700px;
}
.all {
  width: 100%;
  height: 605px;
  background-color: gray;
  display: flex;
  justify-content: center;
}
.dengLu_flex_fa {
  width: 1260px;
  height: 580px;
  background-image: url(./pictures/壁纸.jpg);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-color: yellow;
  display: flex;
  justify-content: center;
}
.dengLu_flex_son {
  margin-top: 100px;
  width: 500px;
  height: 340px;
  background-color: red;
  border-radius: 5%;
}
.dengLu_yeMian {
  position: relative;
  top: 0;
  // left: 450px;
  width: 500px;
  height: 340px;
  background-color: #f2f2f2;
  border-radius: 5%;
}
.top {
  position: absolute;
  width: 400px;
  height: 100px;
  left: 40px;
  background-color: #f2f2f2;
  .font_dengLu {
    position: absolute;
    left: 150px;
    top: 60px;
    width: 120px;
    height: 30px;
    background-color: #f2f2f2;
    font-size: 18px;
    text-align: center;
  }
}

@mixin alert {
  position: absolute;
  width: 300px;
  height: 30px;
  left: 80px;
  background-color: #f2f2f2;
}

@mixin alert-one {
  position: absolute;
  left: 0px;
  width: 40px;
  height: 30px;
  text-align: center;
  font-size: 14px;
  line-height: 30px;
  background-color: #f2f2f2;
}

@mixin alert-two {
  position: absolute;
  left: 40px;
  top: 2px;
  width: 200px;
  height: 20px;
  background-color: #ffffff;
}

@mixin alert-three {
  position: absolute;
  right: 10px;
  width: 40px;
  height: 30px;
  background-color: #ffffff;
}
.center {
  position: absolute;
  top: 120px;
  left: 40px;
  width: 400px;
  height: 100px;
  background-color: #f2f2f2;
  .input_div {
    @include alert;
    top: 0px;
    .inputLeft {
      @include alert-one;
    }
    .input {
      @include alert-two;
    }
    .inputRight {
      @include alert-three;
    }
  }
  .password_inputDiv {
    top: 50px;
    @include alert;
    .centerLeft {
      @include alert-one;
    }
    .password_input {
      @include alert-two;
    }
    .center_right {
      @include alert-three;
    }
  }
}
.bottom {
  position: absolute;
  top: 220px;
  width: 500px;
  height: 80px;
  background-color: #f2f2f2;
  .bottom_tiShiTip {
    display: none;
    position: absolute;
    top: 0;
    left: 150px;
    width: 300px;
    height: 20px;
    background-color: #f2f2f2;
    font-size: 12px;
  }
  .bottom_tiShiError {
    display: none;
    position: absolute;
    top: 0;
    left: 150px;
    width: 300px;
    height: 20px;
    background-color: #f2f2f2;
    font-size: 12px;
  }
  .bottom_font_dengLu_div {
    position: absolute;
    top: 40px;
    width: 500px;
    height: 40px;

    background-color: #f2f2f2;
    .bottom_font_dengLu {
      position: absolute;
      left: 200px;
      width: 100px;
      height: 30px;
      background-color: red;
      font-size: 15px;
      line-height: 30px;
      text-align: center;
      border-radius: 5%;
      cursor: pointer;
    }
  }
}
